8  * SPDX-License-Identifier: Apache-2.0
34 	int i, found = -1;  in lldp_find()
36 	for (i = 0; i < ARRAY_SIZE(ctx->lldp); i++) {  in lldp_find()
37 		if (ctx->lldp[i].iface == iface) {  in lldp_find()
41 		if (found < 0 && ctx->lldp[i].iface == NULL) {  in lldp_find()
47 		ctx->lldp[found].iface = iface;  in lldp_find()
51 	return -ENOENT;  in lldp_find()
64 static bool lldp_check_timeout(int64_t start, uint32_t time, int64_t timeout)  in lldp_check_timeout()  argument
66 	start += time;  in lldp_check_timeout()
78 	return lldp_check_timeout(lldp->tx_timer_start,  in lldp_timedout()
79 				  lldp->tx_timer_timeout,  in lldp_timedout()
92 	if (!lldp->lldpdu) {  in lldp_send()
95 		ret = -EINVAL;  in lldp_send()
99 	if (lldp->optional_du && lldp->optional_len) {  in lldp_send()
100 		len = sizeof(struct net_lldpdu) + lldp->optional_len;  in lldp_send()
109 	pkt = net_pkt_alloc_with_buffer(lldp->iface, len, AF_UNSPEC, 0,  in lldp_send()
112 		ret = -ENOMEM;  in lldp_send()
118 	ret = net_pkt_write(pkt, (uint8_t *)lldp->lldpdu,  in lldp_send()
125 	if (lldp->optional_du && lldp->optional_len) {  in lldp_send()
126 		ret = net_pkt_write(pkt, (uint8_t *)lldp->optional_du,  in lldp_send()
127 				    lldp->optional_len);  in lldp_send()
144 	net_pkt_lladdr_src(pkt)->addr = net_if_get_link_addr(lldp->iface)->addr;  in lldp_send()
145 	net_pkt_lladdr_src(pkt)->len = sizeof(struct net_eth_addr);  in lldp_send()
146 	net_pkt_lladdr_dst(pkt)->addr = (uint8_t *)lldp_multicast_eth_addr.addr;  in lldp_send()
147 	net_pkt_lladdr_dst(pkt)->len = sizeof(struct net_eth_addr);  in lldp_send()
149 	if (net_if_send_data(lldp->iface, pkt) == NET_DROP) {  in lldp_send()
151 		ret = -EIO;  in lldp_send()
155 	lldp->tx_timer_start = k_uptime_get();  in lldp_send()
168 	next_timeout = timeout - (lldp->tx_timer_start +  in lldp_manage_timeouts()
169 				  lldp->tx_timer_timeout);  in lldp_manage_timeouts()
176 	uint32_t timeout_update = UINT32_MAX - 1;  in lldp_tx_timeout()
191 	if (timeout_update < (UINT32_MAX - 1)) {  in lldp_tx_timeout()
200 			     int slot)  in lldp_start_timer()  argument
203 	if (ctx->lldp[slot].tx_timer_start != 0) {  in lldp_start_timer()
207 	ctx->lldp[slot].iface = iface;  in lldp_start_timer()
209 	sys_slist_append(&lldp_ifaces, &ctx->lldp[slot].node);  in lldp_start_timer()
211 	ctx->lldp[slot].tx_timer_start = k_uptime_get();  in lldp_start_timer()
212 	ctx->lldp[slot].tx_timer_timeout =  in lldp_start_timer()
215 	lldp_submit_work(ctx->lldp[slot].tx_timer_timeout);  in lldp_start_timer()
221 		return -ENOENT;  in lldp_check_iface()
225 		return -ESRCH;  in lldp_check_iface()
234 	int ret, slot;  in lldp_start()  local
248 	slot = ret;  in lldp_start()
252 					      &ctx->lldp[slot].node)) {  in lldp_start()
253 			ctx->lldp[slot].tx_timer_start = 0;  in lldp_start()
261 		lldp_start_timer(ctx, iface, slot);  in lldp_start()
285 	recv_cb = ctx->lldp[ret].cb;  in net_lldp_recv()
310 	ctx->lldp[ret].cb = recv_cb;  in net_lldp_register_callback()
342 	ctx->lldp[i].lldpdu = lldpdu;  in net_lldp_config()
357 	ctx->lldp[i].optional_du = tlv;  in net_lldp_config_optional()
358 	ctx->lldp[i].optional_len = len;  in net_lldp_config_optional()